1968
DOI: 10.1115/1.3609155
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Heat Transfer With Film Cooling Near Nontangential Injection Slots

Abstract: A study of the effect of secondary fluid injection through single nontangential slots on the surface heat transfer in regions near the injection site is presented. The nondimensional parameters governing the heat transfer are obtained from the pertinent differential equations, and experimental results were obtained which cover the range of interest of these parameters for many situations encountered in film cooling applications. The experimental heat transfer rates were obtained from a novel transient test fac… Show more

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Cited by 70 publications
(22 citation statements)
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“…According to Metzger et al [13], Sen et al [14], and Yu et al [15], the ratio of heat flux on a filmprotected surface to the corresponding baseline value without film cooling q o , can be expressed as…”
Section: Reduced Heat Fluxmentioning
confidence: 99%
“…According to Metzger et al [13], Sen et al [14], and Yu et al [15], the ratio of heat flux on a filmprotected surface to the corresponding baseline value without film cooling q o , can be expressed as…”
Section: Reduced Heat Fluxmentioning
confidence: 99%
“…Here, all the effects of the cooling film are described with the value of the heat transfer coefficient h( ) as a function of the non-dimensional wall temperature (Choe et al 1974): Metzger et al (1968) and Gritsch et al (1999) proved, that the relationship h( ) is linear and valid even in realistic gas turbine conditions. The linear function can be specified by the equation (5) which is visualized in Fig.(4).…”
Section: Measurement Technique and Data Processingmentioning
confidence: 99%
“…Here, all the effects of the cooling film are described with the value of the heat transfer coefficient h(θ) as a function of the non dimensional wall temperature θ (Choe et al, 1974): Metzger et al (1968) and Gritsch et al (1999) proved that the relationship h(θ) is linear and valid even in realistic gas…”
Section: Determination Of Film Cooling Parametersmentioning
confidence: 99%